baber/WOPTO huggingface dataset:
Patent CA-1096463-A (CA)
Inventor: KERR WALTER B
IPC: F02K1/17
Filed: 1978-01-25
Granted: 1981-02-24
Abstract: CONTROL FOR GAS TURBINE ENGINE                Abstract of the Disclosure Increased thrust during the transonic flight mode of an aircraft powered by a gas turbine engine is realized by a closed loop control that closes the loop on the pressure ratio across the fan by adjusting fuel flow and/ or exhaust nozzle area in a turbofan, variable exhaust nozzle installation.  Fan pressure ratio is scheduled as a function of corrected fan speed and actual pressure ratio provides an error signal to readjust engine operation to null out this error signal.  A turbine inlet temperature limit signal is generated to prevent inadvertent overheating and it or this pressure ratio error signal is selected for providing the lower fuel flow value.
Patent CA-1124861-A (CA)
Inventor: BLACK ROBERT J
IPC: G11B21/08
Filed: 1978-01-25
Granted: 1982-06-01
Abstract: D/???74 VELOCITY CONTROL APPARATUS FOR DISK DRIVE                    ABSTRACT OF THE DISCLOSURE                  A velocity control apparatus for a disk drive of the type comprising a recording disk rotatable about its axis, an electromagnetic read/write head for reading data from and writing data onto tracks on a surface of the disk, and means coupled to the head and responsive to velocity command signals for controlling the direction and speed of movement of the head.  The velocity control apparatus includes a memory divided into a plurality of sections respectively associated with different ranges of desired distances to be traveled by the head, each section containing a predetermined number of addressable storage locations together defining an approximation of a desired velocity trajectory curve for a desired distance to be traveled included within the range associated with said section.
Patent CA-1103397-A (CA)
Inventor: LORE ALBERT L
IPC: C08F220/24
Filed: 1978-03-29
Granted: 1981-06-16
Abstract: ABSTRACT      Terpolymers comprising (i) from 55 to 80 percent by weight of units derived from a perfluoroaliphatic acrylate or methacrylate monomer, (ii) from 15 to 35 percent by weight of units derived from a nonfluorinated polyethylene oxide acrylate or methacrylate monomer, and (iii) from 1 to 15 percent by weight of units derived form a nonfluorinated dialkylaminoethyl acrylate or methacrylate monomer in its free base, amine salt, quaternary ammonium, or amine oxide form.  The terpolymers are useful in oil and water repellency applications.
Patent CA-1083198-A (CA)
Inventor: PRAVITZ FRANK S WOODVIEW CRESC
IPC: E04F21/22
Filed: 1978-04-14
Granted: 1980-08-05
Abstract: ABSTRACT OF THE DISCLOSURE             A lifting device for use with a paving slab comprises a handle and a straight shank non-rotatably secured at one end thereof within the handle.  A straight support portion extends perpendicularly from the opposite end of the shank and terminates at a point.  The shank has small cross-sectional dimensions in all transverse directions to fit and rotate between adjacent slabs.  The device is inserted in the gap between adjacent slabs and twisted so that the support portion is beneath one of the slabs.  The device is then pulled upward to raise the slab.
Patent CA-1077828-A (CA)
Inventor: KING DAVID W
IPC: E21B34/06
Filed: 1978-05-16
Granted: 1980-05-20
Abstract: ABSTRACT OF THE DISCLOSURE           Improved apparatus and methods are provided for conducting drill stem and production testing operations. A bypass sub removably receives a wireline tool in sealing engagement within a bypass sub bore, with the bypass sub including bypass passage means and selectively actuable port closure means to permit fluid from below the bypass sub to flow into conduit means above the bypass sub when the wire-line tool is seated and secured in the bypass sub.  In one embodiment, the means for selectively actuating the port closure means is a motorized shifter means incorporated in the wireline tool.  The wireline tool carries selected sensor devices for sensing earth formation characteristics.  Improved and unique means are provided for securing the wireline tool in the bypass sub and for selectively engaging the motorized shifter apparatus with the port closure means.  In addition, unique "fail safe" means are provided to ensure that the wireline tool and the bypass sub can be effectively removed from the well even in case of a malfunction of the motorized shifter means.
Patent CA-1102387-A (CA)
Inventor: KRUEGER KEITH T
IPC: H01H9/28
Filed: 1978-09-06
Granted: 1981-06-02
Abstract: SNAP-ON HANDLE BLOCKING DEVICE            ABSTRACT OF THE DISCLOSURE          A single pole circuit breaker having a narrow housing is provided with a blocking device which prevents inadvertent manual operation of the circuit breaker.  The blocking device is a single piece unit constructed of relatively stiff resilient metal formed with a generally flat main section having rearwardly extending short legs along opposite sides thereof.  The legs are received within undercut portions of housing recesses positioned along opposite sides of the housing opening through which the handle extends.  The blocking device is select-ively positionable so as to prevent operation of the handle to either the ON or OFF position and the main section is provided with a window through which ON-OFF indicia, indicating handle position, is viewable.
Patent CA-1103015-A (CA)
Inventor: HAFELE JOSEPH C
IPC: B05B5/025
Filed: 1978-09-25
Granted: 1981-06-16
Abstract: ELECTROSTATIC COATING SYSTEM                  ABSTRACT OF THE DISCLOSURE         An electrostatic coating system in which the workpiece to be coated is charged to a high DC potential.  A conveyor moves the workpiece through the coating zone past a charged conductor.          A suspended workpiece support includes a swivel joint to accom-modate tilt and sway of the workpiece.  A charge collector on the support has a spherically contoured surface which swings from the swivel joint so that the spacing of the collector from the conductor is substantially constant, stabilizing the voltage induced on the workpiece and minimizing the danger of sparking.
Patent CA-1118062-A (CA)
Title: Cable d'energie etanche et machine pour  le fabriquer
Inventor: PIERRE BERNARD
IPC: H01B7/282
Filed: 1978-10-25
Granted: 1982-02-09
Abstract: Câble d'énergie étanche équipé d'une gaine métallique pouvant suivre les dilatations thermiques dues à l'utilisation du câble. La gaine métallique est plissée longitudinalement par pression d'un feuillard, plan à l'origine sur des joncs élastiques disposés longitudinalement sur le câble. Et procédé de fabrication d'un tel câble. Application aux câbles d'énergie enterrés au sous-marins.
Patent CA-1086339-A (CA)
Inventor: ENZ ERHARD
IPC: B25B5/16
Filed: 1978-10-31
Granted: 1980-09-23
Abstract: ABSTRACT OF THE DISCLOSURE           A slidably adjustable clamp having a locking element in the form of a tapered key for wedging the clamp sliding arm on the clamp rail.  The locking element having a bevelled surface on one side is adapted for loose insertion into a rectangular notch formed in the sliding arm opening whereby the locking element can be hammered into wedging engagement between the sliding arm and the rail to lock the arm on the rail.  A double-acting wedging effect in both longitudinal and lateral directions is created upon subjecting the locking element to clamping pressures.  A second embodiment of the invention comprises a locking element with a planar side which engages a side wall of a trough-shaped recess to laterally engage the sliding arm.
Patent CA-1109694-A (CA)
Inventor: BAILLIE LLOYD A
IPC: G01N3/56
Filed: 1978-11-29
Granted: 1981-09-29
Abstract: IMPROVED APPARATUS AND METHOD FOR DETERMINING THE ATTRITION PROPERTIES OF A MASS OF SOLID          PARTICLES                     ABSTRACT OF THE DISCLOSURE           An improved apparatus for determining the time rate of attrition of a mass of solid particles comprising a chamber; inlet and outlet providing for entrance and exit, respectively, to the chamber; a conduit providing communication between the inlet and outlet; an impeller located in the chamber to urge solid particles from the inlet in the general direction of the sidewall of the chamber; and a motor to provide rotation of the impeller.         Improved simulation of solid particle attrition in commercial cyclone separators is obtained.
Patent CA-1114683-A (CA)
Inventor: BOYLE ROBERT J
IPC: C09K21/00
Filed: 1978-12-08
Granted: 1981-12-22
Abstract: FIRE RETARDANT TREATMENT OF FIRE UNSTABLE MATERIALS AND PRODUCTS OBTAINED ABSTRACT Pressure treatment of fire unstable materials by a fire retardant composition which is injected or insinuated into the surface of fire unstable materials results in a fire and flameproof structure with a high capacity to with-stand prolonged exposure to flame and heat.
Patent CA-1133104-A (CA)
Inventor: SPAULDING TEDFORD H
IPC: H01R13/33
Filed: 1979-02-14
Granted: 1982-10-05
Abstract: ABSTRACT         This invention relates generally to electrical connectors and more particularly to improved modular inter-face connectors and connector assemblies incorporating such modular connectors.  A continuing problem with present con-nectors and connector assemblies is that a wide variety of assembly component parts are necessary to meet different connection requirements inasmuch as different connector assemblies, such as adapters, bridging assemblies, data sets, junction assemblies, and the like, having non-inter-changeable components are required for various different connection purposes.  The present invention is designed to provide a slidingly mountable modular connector capable of easy installation and replacement coupled with reliable operation.  The modular connectors of the invention include improved mounting structures which permit each connector to be slidably mounted on a support member in at least two alternate orientations and to be retained at any position between two spaced shoulders of the support member.  In addition, the modular connector is preferably an integrally molded plastic unit configured to permit its fabrication in a single-action mold.  In one embodiment, the interface con-nector further includes a removable comb member which separates and aligns the active portions of the connector contact elements and prevents access through the entrance aperture of the connector to the free ends of the contact elements.  In another embodiment, the interface connector includes an integral comb structure and embossment disposed on the connector housing for engaging and mounting at least one bus bar member to the housing adjacent the comb structure.
Patent CA-1107861-A (CA)
Inventor: WOODBINE WILFRED J
IPC: G07B17/00
Filed: 1979-02-21
Granted: 1981-08-25
Abstract: ABSTRACT      In a postage meter which can be set to imprint a selected value of postage on individual mall pieces, two counters are typically provided for accounting purposes.  One counter is an accumulating counter into which the postage value imprinted during each operation is added.  The second counter is settable by the Postal Service to the amount of postage purchased by the meter user.  As postage is imprinted by the meter, the value of the postage 13 subtracted from the second counter. Thus, this counter continuously indicates the amount of postage that remains available for imprinting.  The meter of the present invention additionally provides an operator resettable counter to indicate the total value of postage imprinted on any group of consecutive mail pieces.  The function and operation of the original counters are completely separate and unaffected by the present invention.
Patent CA-1111185-A (CA)
Inventor: BIRDSALL ARTHUR A
IPC: G02C7/04
Filed: 1979-03-06
Granted: 1981-10-20
Abstract: ABSTRACT OF THE DISCLOSURE          Optical devices such as corneal, scleral and interocular lenses are made from phenyl-containing siloxane resins.  They combine a high degree of oxygen transmission with ease of fabrication inherent to hard materials, thereby providing increased wearer comfort and ease of fabrication.  A typical resin is a copolymer of phenyl, vinyl and methyl siloxanes having at least about 0.2 phenyl groups per silicon.
Patent CA-1072966-A (CA)
Inventor: RAMUZ HENRI
IPC: C07D409/14
Filed: 1979-03-26
Granted: 1980-03-04
Abstract: ABSTRACT OF THE DISCLOSURE            The compound of the formula   (Ia) and pharmaceutically acceptable acid addition salts thereof, as well as process for their preparation are disclosed.  These compounds possess coronary-dilating properties.
Patent CA-1106794-A (CA)
Inventor: FASSMAN ARNOLD
IPC: B65H39/045
Filed: 1979-05-03
Granted: 1981-08-11
Abstract: ROTARY COLLATOR WITH SHEET CLAMP ACTUATOR     ABSTRACT        A rotary collator having a rotatable drum with a plurality of radially extending partitions or bins in which sheets to be collated are held by a sheet clamp mounted in each bin.  The sheet clamp for each bin has a solenoid-based activating device which releases the sheet clamp during the sheet ejecting portion of the collating cycle.  The sheet clamp is released a short time before the rotatable drum brings the associated bin into a sheet ejecting position.  A toggle structure and a relatively high com-pression spring are used to hold the sheets in the bin when in clamping position.  The sheet clamp of any empty bin is programmed not to release, thereby greatly reducing noise and extending the life of the mechanism.
Patent CA-1120795-A (CA)
Inventor: KAWAGUCHI TAKEYUKI
IPC: B01D71/82
Filed: 1979-05-17
Granted: 1982-03-30
Abstract: ABSTRACT OF THE DISCLOSURE      A semipermeable composite membrane comprising a thin semipermeable film of a polymeric material deposited on one side of the microporous substrate, said polymeric material being prepared by interfacial crosslinking of a polymer containing a recurring unit of the formula             (I) wherein each of R1 and R2 represents a hydrogen atom or a methyl group, and W1 represents a direct bonding or a sulfonyl group (-SO2-), with a polyfunctional compound containing at least two functional groups selected from acid halide, sulfonyl halide, isocyanate, N-haloformyl, haloformate and acid anhydride groups; and a process for producing the same. The semipermeable composite membrane of this invention is especially useful for desalination of saline or brackish water by reverse osmosis.
Patent CA-1135394-A (CA)
Inventor: DIXON GEORGE D
IPC: H02G5/06
Filed: 1979-07-24
Granted: 1982-11-09
Abstract: 46,986 ADHERENT COATING FOR ENTRAPPING   CONTAMINATION PARTICLES IN GAS-INSULATED ELECTRICAL APPARATUS             ABSTRACT OF THE DISCLOSURE         A tacky or sticky coating is provided on selected surface areas inside compressed gas-insulated systems to trap conducting and semiconducting particles which, if allowed to remain free, can promote breakdown between metallic parts or electrodes maintained at different poten-tials, or which may initiate tracking and flashover along insulating surfaces.  The initially hard, dry coating is comprised of a binder component and an active component. The binder component is chemically inert to both the insu-lating gas within the apparatus and a solvent vapor, while the active component is capable of interacting with the solvent vapor to become tacky.  The insulating coating, after exposure to the solvent vapor, becomes tacky on the surface to thereon entrap contamination particles, but the addition of the binder component prevents the coating from sagging but instead maintains its spatial position on the selected surface areas.
Patent CA-1135249-A (CA)
Inventor: FANNIN LOYD W
IPC: C07F3/02
Filed: 1979-09-24
Granted: 1982-11-09
Abstract: HYDROCARBON SOLUBLE MAGNESIUM COMPOSITIONS        OF HIGH MAGNESIUM CONTENT             Abstract of the Disclosure A composition of matter comprising di-n-butyl-magnesium and dimethylmagnesium, to the exclusion of dialkylmagnesium compounds containing alkyl groups other than n-butyl or methyl, with an n-butyl :methyl alkyl group ratio of about 0.2:1 to about 5:1 which is soluble in aliphatic, cycloaliphatic, and aromatic hydrocarbon solvents is disclosed. The composition is prepared in the substan-tial absence of oxygen and moisture by the simultaneous or consecutive reactions of methyl and n-butyl halides with metallic magnesium in the presence of the hydrocarbon sol-vent, followed by separation of the insoluble magnesium chloride and any unreacted magnesium metal from the resulting solution.
Patent CA-1147178-A (CA)
Title: Tooth-pick having one folded end and associated  pocket container box
Inventor: INERTE MARIA
IPC: A61C15/00
Filed: 1979-10-04
Granted: 1983-05-31
Abstract: ABSTRACT OF THE DISCLOSURE            A TOOTH-PICK HAVING ONE ANGLED END   AND ASSOCIATED POCKET CONTAINER         Tooth-picks formed by a straight central portion of constant thickness, an end with a sharp point or tip, another end with a section angled at about 45° with thickness tapering to the tip, which is transversally rounded.  They can be housed in a pocket container of a flat parallelepiped shape closed by a T-shaped cap.
Patent CA-1116941-A (CA)
Inventor: KAISER HOWARD
IPC: G08B5/00
Filed: 1979-11-07
Granted: 1982-01-26
Abstract: MUSCLE MONITOR             ABSTRACT OF THE DISCLOSURE          This invention relates to a muscle monitor device for providing a visual indication of the strength of contractile muscles, especially the vaginal muscles.         The device is useful both as a preventive and therapeutic biofeedback component for aiding the user to increase the degree and strength of control exercised over the muscles being monitored.
Patent CA-1137634-A (CA)
Title: Methode d'amplification de signaux  multiplexes et dispositif de  mise en oeuvre
Inventor: RIALAN JOSEPH
IPC: H03G3/20
Filed: 1979-11-16
Granted: 1982-12-14
Abstract: Méthode d'amplification de signaux analogiques multiplexés dont l'amplitude est susceptible de grandes variations, pour appliquer à ces signaux une amplification optimale avant leur numérisation par un convertisseur analogique-numérique et leur enregistrement. Cette méthode est caractérisée en ce qu'on engendre, à partir de chaque signal plusieurs signaux amplifiés correspondant à des gains d'amplification fixes et différents les uns des autres, et en ce qu'on sélectionne parmi les différents signaux amplifiés celui possédant le niveau optimal, en utilisant systématiquement comme référence la valeur numérique du signal amplifié avec un gain fixe prédéterminé.
Patent CA-1132483-A (CA)
Title: Appareil detartreur de type electronique  pourvu d'un detecteur d'ecoulement de  liquide
Inventor: PACE ITALO
IPC: G01F1/28
Filed: 1979-12-05
Granted: 1982-09-28
Abstract: Appareil détartreur de type électronique pourvu d'un détecteur d'écoulement de liquide traité commandant le générateur d'impulsions crêtes électriques distribuant un courant auto-ajustable et faible aux bornes de ses électrodes. Cet appareil comporte un réservoir constitué par un tube métallique fermé à ses deux extrémités par des blocs en matière isolante pourvus respectivement des orifices d'entrée et de sortie de liquide traité, et fixés sur ce tube par l'intermédiaire d'une sonde traversant axialament ce dernier et les blocs.  Un coulisseau monté  sur la sonde dans l'intérieur du bloc porteur de l'orifice de sortie constitue, avec une source lumineuse et une diode photoélectrique, l'ensemble du détecteur d'écoulement.  La présente invention est applicable notamment au détartrage d'eau froide ou chaude.
Patent CA-1120142-A (CA)
Inventor: PANISSIDI HUGO A
IPC: B25J9/16
Filed: 1980-01-16
Granted: 1982-03-16
Abstract: Abstract An air pressure counterbalance system is provided for an X Y Z ortho-gonal manipulator wherein the  effect of gravity on a manipulator arm joint is counterbalanced both while hydraulic pressure is supplied to the hydraulic motors and also when the motive power is suspended.  The air pressure counterbalance force is produced by a piston operating in an air cylinder in the direction of the gravity axis as the manipulator hand is raised or lowered.  A selected constant air pressure is supplied to the counterbalance cylinder through an air pressure regulating system.  In a preferred embodiment, a program-controlled counterbalance system is provided wherein the weights of various tools to be grasped by the manipulator fingers during a program are stored in CPU memory.  The manipulator program selects the appropriate counterbalancing force to compensate for the predetermined tool weight and adjusts an air pressure regulator accordingly.
Patent CA-1134386-A (CA)
Inventor: RUFFING SHARON L
IPC: C07C317/36
Filed: 1980-01-22
Granted: 1982-10-26
Abstract: Abstract of the Disclosure Alkane- and monohaloalkane-sulfonanilides sub-stututed in the para position by alkylthio, alkysulfinyl and alkylsulfonyl groups and additionally substituted by halogen and optionally by trifluoromethyl and agriculturally acceptable salts thereof are useful herbicides.
Patent CA-1122036-A (CA)
Inventor: PETERSHACK VICTOR D
IPC: F16G13/06
Filed: 1980-02-20
Granted: 1982-04-20
Abstract: ABSTRACT OF THE DISCLOSURE         A T-headed pin for use in rivetless chain, generally of the trolley conveyor type, is disclosed.  The pin can entirely replace the conventional forged pin of any ordinary size and has superior design matching abilities.  It is unique in that it is constructed entirely from a flat piece of sheet metal.  Rec-tangular metal blanks with paired oppositely projecting tabs are provided.  The blank is first curled to form the body of the pin with the tabs projecting endwise therefrom.  In automated manu-facture  of chain of the type mentioned in selected lengths, the links may be readily assembled with curled pins having tabs pro-jecting axially from both ends.  The tabs may then be bent as required to complete the chain length.  Alternatively, the tabs at one end only may be bent and lengths of chain may be readily assembled by inserting the other end of each pin into place and then bending the tabs at said other end.  In the manufacture of the pins separately of chain assembly, the curled pin with pro-jecting tabs is supported between two members of the exact width required between the T-heads of the finished pin.  Opposite curling tools then move toward the tabs and form them in a se-quence of steps which prevents or reduces tearing of the metal of the edges of the tabs where they merge into a curled portion forming the pin.  Alternatively, the tabs may be bent prior to curling or partially bent prior to curling followed by a com-plete bending.
Patent CA-1147128-A (CA)
Title: Procede de transformation de l'hydrargilite en  boehmite
Inventor: LECTARD ALAIN
IPC: C01F7/46
Filed: 1980-02-27
Granted: 1983-05-31
Abstract: L'invention concerne un procédé continu de transformation hydrothermale de l'hydrargilitte en boehmite, qui consiste à préparer une suspension d'hydrargilitte dans de l'eau à raison de 150 g/1 à 700 g/1 de matière sèche exprimée en Al2O3, à la traiter thermiquement sous pression à une température comprise entre 200.degree.C et 270.degree.C, la vitesse de montée en température de la suspension étant d'au moins 1.degree.C/minute, à la faire séjourner pendant un temps compris entre 1 minute et 60 minutes dans une zone de séjour à une température comprise dans l'intervalle de 200.degree.C à 270.degree.C, à conduire la suspension dans une zone d'abaissement de la pression requise par le traitement thermique, jusqu'à la pression atmosphérique, puis dans une zone de séparation des phases liquide et solide dans laquelle s'effectue la récupération de la boehmite, La boehmite obtenue dispose d'une granulométrie au plus identique à celle de l'hydrargilite initiale et est très appauvrie en éléments alcalins.